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Added LSR as a beta pass for alpha

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llvm-svn: 20407
This commit is contained in:
Andrew Lenharth 2005-03-02 17:21:38 +00:00
parent 798b18474c
commit 8fc5ba2e06
1 changed files with 9 additions and 0 deletions
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9
lib/Target/Alpha/AlphaTargetMachine.cpp
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@ -26,6 +26,12 @@ namespace {
RegisterTarget<AlphaTargetMachine> X("alpha", " Alpha (incomplete)");
}
namespace llvm {
cl::opt<bool> EnableAlphaLSR("enable-lsr-for-alpha",
cl::desc("Enable LSR for Alpha (beta option!)"),
cl::Hidden);
}
unsigned AlphaTargetMachine::getModuleMatchQuality(const Module &M) {
// We strongly match "alpha*".
std::string TT = M.getTargetTriple();
@ -54,6 +60,9 @@ AlphaTargetMachine::AlphaTargetMachine( const Module &M, IntrinsicLowering *IL)
bool AlphaTargetMachine::addPassesToEmitAssembly(PassManager &PM,
std::ostream &Out) {
if (EnableAlphaLSR)
PM.add(createLoopStrengthReducePass());
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());